Noun: tautness tot-nus
- State of being tense or stretched
"The tautness of the rope was perfect for the tightrope walker";
- tension, tensity, tenseness
- Lack of movement or room for movement
"The tautness of the rope ensured it wouldn't sag";
- tightness
Type of: condition, immovability, immovableness, status
Antonym: looseness